Alternatives to Callfelix
The top Voice AI companies similar to Callfelix, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Synthflow AI62Voice AgentSan Francisco, United States$20.0M
Daber AI36Voice AITel Aviv, Israel$1.5M- Kalliavoice22Voice AITel Aviv, Israel
PunniVoice AISan Francisco, United States- VoicexVoice AITel Aviv, Israel
- ClaivoxVoice AI
Bland64Voice AISan Francisco, United States$51.0M
hellopatient62HealthcareTel Aviv, Israel$57.6M
Replicant61EnterpriseSan Francisco, United States$112.0M
Harbinger58Conversational AISan Francisco, United States$393.0M
NLX51Conversational AINew York, United States$40.0M
Vogent51Artificial IntelligenceSan Francisco, United States$1.5M
Certus AI47Voice AI$1.5M
Air46Voice AgentSan Francisco, United States$108.0M
Saperly43Voice AISan Francisco, United States$2.0M
Voiceman AI40Voice AIRaanana, Israel
Gladia37Voice AIParis, France
Diffe.rent AI35Real EstateSan Francisco, United States
EffiGov33Agentic AI
ASAPP20Conversational AINew York, United States$305.0M- Minione14Voice AITel Aviv, Israel
- Utnp14Voice AITel Aviv, Israel
- TOTookee13Voice AITel Aviv, Israel$1.0M
DUX-AI13Enterprise
Mirrorfly11Agentic AI- Dial8Voice AI
- Auraon-AIVoice AIהרצליה, Israel
- VoicesysVoice AISan Francisco, United States$1.0M
Ki Telefonassistent HandwerkVoice AI- NuratelVoice AI
- TradesynapseVoice AI
- VakevaConversational AITel Aviv, Israel
CatchdeskVoice AI- GemdeskVoice AI
- QualeeVoice AI
- TrulnkVoice AI
- CarlumVoice AI
GoodcallVoice AgentSan Francisco, United States- OsilanVoice AI
- VooseVoice AI
Vapi65Voice AISan Francisco, United States$74.3M
Sanas63SpeechPalo Alto, United States$159.3M
Cognigy (NICE)63Voice AgentDüsseldorf, Germany
OpenPhone62Voice AISan Francisco, United States$45.0M
Sendbird61Conversational AISan Mateo, United States
Salient58Voice AgentSan Francisco, United States$78.4M
Nomi57AI CopilotSan Francisco, United States$180.0M
Sembly AI55Conversational AITel Aviv, Israel$10.0M
David AI54Voice Agent$77.1M
Onton54Conversational AITel Aviv, Israel$9.0M
Voca.ai54SpeechTel Aviv, Israel$6.1M
Digitalhumans53Voice AITel Aviv, Israel
Regal Voice Inc.53Voice AISan Francisco, United States
Hamming AI52Voice AISan Francisco, United States$4.5M
Voize51Voice AITel Aviv, Israel$54.0M- SLSlingshot AI51Voice AgentSan Francisco, United States$96.3M
Vocode50Open SourceSan Francisco, United States$3.8M- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Tenyx48EnterpriseSan Francisco, United States$15.0M
Marr Labs47Voice AgentSan Francisco, United States
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Synthflow AI | Voice Agent | San Francisco, United States | $20.0M | 62 |
| Daber AI | Voice AI | Tel Aviv, Israel | $1.5M | 36 |
| Voice AI | Tel Aviv, Israel | — | 22 | |
| Punni | Voice AI | San Francisco, United States | — | — |
| Voice AI | Tel Aviv, Israel | — | — | |
| Voice AI | — | — | — | |
| Bland | Voice AI | San Francisco, United States | $51.0M | 64 |
| hellopatient | Healthcare | Tel Aviv, Israel | $57.6M | 62 |
| Replicant | Enterprise | San Francisco, United States | $112.0M | 61 |
| Harbinger | Conversational AI | San Francisco, United States | $393.0M | 58 |
| NLX | Conversational AI | New York, United States | $40.0M | 51 |
| Vogent | Artificial Intelligence | San Francisco, United States | $1.5M | 51 |
| Certus AI | Voice AI | — | $1.5M | 47 |
| Air | Voice Agent | San Francisco, United States | $108.0M | 46 |
| Saperly | Voice AI | San Francisco, United States | $2.0M | 43 |
| Voiceman AI | Voice AI | Raanana, Israel | — | 40 |
| Gladia | Voice AI | Paris, France | — | 37 |
| Diffe.rent AI | Real Estate | San Francisco, United States | — | 35 |
| EffiGov | Agentic AI | — | — | 33 |
| ASAPP | Conversational AI | New York, United States | $305.0M | 20 |
| Voice AI | Tel Aviv, Israel | — | 14 | |
| Voice AI | Tel Aviv, Israel | — | 14 | |
| TOTookee | Voice AI | Tel Aviv, Israel | $1.0M | 13 |
| DUX-AI | Enterprise | — | — | 13 |
| Mirrorfly | Agentic AI | — | — | 11 |
| Voice AI | — | — | — | |
| Voice AI | הרצליה, Israel | — | — | |
| Voice AI | San Francisco, United States | $1.0M | — | |
| Ki Telefonassistent Handwerk | Voice AI | — | — | — |
| Voice AI | — | — | — | |
| Voice AI | — | — | — | |
| Conversational AI | Tel Aviv, Israel | — | — | |
| Catchdesk | Voice AI | — | — | — |
| Voice AI | — | — | — | |
| Voice AI | — | — | — | |
| Voice AI | — | — | — | |
| Voice AI | — | — | — | |
| Goodcall | Voice Agent | San Francisco, United States | — | — |
| Voice AI | — | — | — | |
| Voice AI | — | — | — | |
| Vapi | Voice AI | San Francisco, United States | $74.3M | 65 |
| Sanas | Speech | Palo Alto, United States | $159.3M | 63 |
| Cognigy (NICE) | Voice Agent | Düsseldorf, Germany | — | 63 |
| OpenPhone | Voice AI | San Francisco, United States | $45.0M | 62 |
| Sendbird | Conversational AI | San Mateo, United States | — | 61 |
| Salient | Voice Agent | San Francisco, United States | $78.4M | 58 |
| Nomi | AI Copilot | San Francisco, United States | $180.0M | 57 |
| Sembly AI | Conversational AI | Tel Aviv, Israel | $10.0M | 55 |
| David AI | Voice Agent | — | $77.1M | 54 |
| Onton | Conversational AI | Tel Aviv, Israel | $9.0M | 54 |
| Voca.ai | Speech | Tel Aviv, Israel | $6.1M | 54 |
| Digitalhumans | Voice AI | Tel Aviv, Israel | — | 53 |
| Regal Voice Inc. | Voice AI | San Francisco, United States | — | 53 |
| Hamming AI | Voice AI | San Francisco, United States | $4.5M | 52 |
| Voize | Voice AI | Tel Aviv, Israel | $54.0M | 51 |
| SLSlingshot AI | Voice Agent | San Francisco, United States | $96.3M | 51 |
| Vocode | Open Source | San Francisco, United States | $3.8M | 50 |
| COCognigy | Voice Agent | Düsseldorf, Germany | $156.5M | 50 |
| Tenyx | Enterprise | San Francisco, United States | $15.0M | 48 |
| Marr Labs | Voice Agent | San Francisco, United States | — | 47 |